A brief tsunami watch for Hawaii was called off, but experts warn residents to remain prepared for future threats.

The Pacific Tsunami Warning Center (PTWC) says there is no longer a danger of tsunami waves on Russia’s Kamchatka Peninsula ...

Watch as an entrepreneur captured heart-stopping footage of volcanic destruction at Kīlauea's active crater. Page Smith, 35, from Hawaii filmed from the collapsing edge of Halemaʻumaʻu Crater on ...